I have 42 years of experience, and specialize in the field of engineering with specific knowledge in the areas of corrosion, metallurgy and mechanical design. I have published on such topics as corrosion, failure analysis, design reviews, crevice corrosion, galvanic corrosion, and stress-corrosion cracking. I have testified 6 times on topics such as fretting corrosion, corrosion of electronics, boating accidents, mechanical design, microbiological influenced corrosion, and laboratory data.